add tail command

README.md

@@ -131,26 +131,56 @@ class Kernel extends ConsoleKernel
 ## ScreenShot
 
 ### Available Commands
+```bash
+$ help
+```
 ![Available Commands](https://cdn.rawgit.com/recca0120/terminal/master/screenshots/available-commands.png)
 
 ### Artisan List
+```bash
+$ artisan
+```
 ![Artisan List](https://cdn.rawgit.com/recca0120/terminal/master/screenshots/artisan-list.png)
 
 ### Migrate
+```bash
+$ artisan migrate --seed
+```
 ![Migrate](https://cdn.rawgit.com/recca0120/terminal/master/screenshots/artisan-migrate.png)
 
 ### Artisan Tinker
+```bash
+$ artisan tinker
+```
 ![Tinker](https://cdn.rawgit.com/recca0120/terminal/master/screenshots/artisan-tinker.png)
 
 ### Find Command
+```bash
+$ find ./ -name * -maxdepth 1
+```
 ![Find Command](https://cdn.rawgit.com/recca0120/terminal/master/screenshots/find-command.png)
 
 ### Find and Delete
+```bash
+$ find ./storage/logs -name * -maxdepth 1 -delete
+```
 ![Find and Delete](https://cdn.rawgit.com/recca0120/terminal/master/screenshots/find-and-delete.png)
 
 ### Vi
+```bash
+$ vi server.php
+```
 ![Vi Command](https://cdn.rawgit.com/recca0120/terminal/master/screenshots/vi-command.png)
 
 ![Vi Editor](https://cdn.rawgit.com/recca0120/terminal/master/screenshots/vi-editor.png)
 
 ![Vi Save](https://cdn.rawgit.com/recca0120/terminal/master/screenshots/vi-save.png)
+
+### Tail
+```bash
+$ tail
+$ tail --line=1
+$ tail server.php
+$ tail server.php --line 5
+```
+![Tail Command](https://cdn.rawgit.com/recca0120/terminal/master/screenshots/tail-command.png)

composer.json

@@ -25,7 +25,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.3.x-dev"
+            "dev-master": "1.4.x-dev"
         }
     },
     "autoload": {

resources/assets/js/bundle.js

@@ -1,14 +1,6 @@
 'use strict';
 
-let $;
-
-if (!window.jQuery) {
-    $ = require('jquery');
-} else {
-    $ = window.jQuery;
-}
-
-// $ = window.jQuery = window.$ = require('jquery');
+import $ from './jquery';
 require('jquery-mousewheel');
 require('jquery.terminal');
 require('jquery.terminal/js/unix_formatting');
@@ -29,7 +21,7 @@ import 'codemirror/mode/css/css';
 import 'codemirror/mode/javascript/javascript';
 import 'codemirror/mode/htmlmixed/htmlmixed';
 import 'codemirror/mode/xml/xml';
-
+ 
 class Loading {
     constructor(term) {
         this.$term = term;

resources/assets/js/jquery.js

@@ -0,0 +1,10 @@
+'user strict';
+
+let $;
+if (!window.jQuery) {
+    $ = window.jQuery = window.$ = require('jquery');
+} else {
+    $ = window.jQuery;
+}
+
+export default $;

resources/assets/js/polyfill.js

@@ -1,6 +1,6 @@
 'use strict';
 
-import $ from 'jquery';
+import $ from './jquery';
 
 if (!Object.assign) {
     Object.assign = $.extend;

src/Console/Commands/Tail.php

@@ -0,0 +1,77 @@
+<?php
+
+namespace Recca0120\Terminal\Console\Commands;
+
+use Illuminate\Console\Command;
+use Illuminate\Filesystem\Filesystem;
+
+class Tail extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'tail
+        {path?}
+        {--lines=50 : output the last K lines, instead of the last 50}
+    ';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'tail command';
+
+    /**
+     * handle.
+     *
+     * @param \Illuminate\Filesystem\Filesystem $filesystem
+     *
+     * @return void
+     */
+    public function handle(Filesystem $filesystem)
+    {
+        $path = $this->argument('path');
+        $lines = $this->option('lines');
+
+        if (empty($path) === false) {
+            $path = ((is_null($this->laravel) === false) ? $this->laravel->basePath() : getcwd()).'/'.$path;
+        } else {
+            $path = (is_null($this->laravel) === false) ? $this->laravel->storagePath() : getcwd();
+            $path = collect($filesystem->glob($path.'/logs/*.log'))
+                ->filter(function ($log) {
+                    return is_file($log);
+                })
+                ->sortByDesc(function ($log) {
+                    return filectime($log);
+                })
+                ->first();
+        }
+
+        $this->readLine($path, $lines);
+    }
+
+    protected function readLine($file, $lines = 50)
+    {
+        if (file_exists($file) === false) {
+            return 'tail: cannot open ‘'.$file.'’ for reading: No such file or directory';
+        }
+
+        $fp = fopen($file, 'r');
+        $i = 1;
+        $result = [];
+        while (!feof($fp)) {
+            if ($i > $lines) {
+                break;
+            }
+            $content = fgets($fp);
+            $result[] = $content;
+            $i++;
+        }
+        fclose($fp);
+
+        $this->line(implode('', $result));
+    }
+}

src/Console/Kernel.php

@@ -16,6 +16,7 @@ class Kernel extends ConsoleKernel
         Commands\ArtisanTinker::class,
         Commands\Find::class,
         Commands\Mysql::class,
+        Commands\Tail::class,
         Commands\Vi::class,
     ];
 }